Respuesta :

Solution/:

[tex]a = \frac{1}{2} h(b1 + b2)[/tex]

take h 4½ to the left

[tex] \frac{2a}{h} = b1 + b2[/tex]

take b2 to the left

[tex]b1 = \frac{2a}{h} - b2[/tex]

[tex]b2 = \frac{2a}{h} - b2[/tex]